Home / 82,430.12-113,753.46-44,704.28

Finding the Fourth Proportional to 82,430.12, 113,753.46 and 44,704.28

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Solution

The fourth proportional to 82,430.12, 113,753.46 and 44,704.28 is: 61,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,430.12 : 113,753.46 = 44,704.28 : x
  2. Step 2: Convert to fraction form
    82,430.12/113,753.46 = 44,704.28/x
  3. Step 3: Cross multiply
    82,430.12x = 113,753.46 × 44,704.28
  4. Step 4: Simplify right side
    82,430.12x = 5,085,266,526.81
  5. Step 5: Solve for x
    x = 5,085,266,526.81/82,430.12
  6. Step 6: Final answer
    x = 61,691.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.